.386
.model flat, C
option casemap:none ;para activar case sensitive

.data

.data?

.code

resta PROC C PUBLIC Cantd01:DWORD, Cantd02:DWORD
	
	mov eax, Cantd01
	sub eax, Cantd02 ;eax = eax-Cant02
	;en eax contendra el resultado
	ret

resta endp

end 